You place a balloon in a closed chamber at standard temperature and pressure (STP). You cool the chamber to half of its original
2 answers:
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Answer: 233 L of will be produced from 150 grams of
Explanation:
To calculate the moles :
The balanced chemical equation is:
According to stoichiometry :
2 moles of produce = 8 moles of
Thus 2.59 moles of will produce=
of
Volume of
Thus 233 L of will be produced from 150 grams of
Answer: The standard cell potential (E∘) for the reaction is -0.121 V
Explanation:
The reaction is:
Relation between standard Gibbs free energy and equilibrium constant follows:
where,
= Standard Gibbs free energy = ?
R = Gas constant =
T = temperature = 298 K
K= equilibrium constant =
Putting values in above equation, we get:
To calculate standard Gibbs free energy, we use the equation:
Where,
n = number of electrons transferred = 1
F = Faradays constant = 96500 C
= standard cell potential = ?
Putting values in above equation, we get:
Thus standard cell potential (E∘) for the reaction is -0.121 V